22121092347738 has 32 divisors (see below), whose sum is σ = 46587774013440. Its totient is φ = 6983050117680.

The previous prime is 22121092347727. The next prime is 22121092347749. The reversal of 22121092347738 is 83774329012122.

It is an interprime number because it is at equal distance from previous prime (22121092347727) and next prime (22121092347749).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35214970 + ... + 35837637.

It is an arithmetic number, because the mean of its divisors is an integer number (1455867937920).

Almost surely, 2^{22121092347738} is an apocalyptic number.

22121092347738 is an abundant number, since it is smaller than the sum of its proper divisors (24466681665702).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22121092347738 is a wasteful number, since it uses less digits than its factorization.

22121092347738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71055362.

The product of its (nonzero) digits is 2032128, while the sum is 51.

The spelling of 22121092347738 in words is "twenty-two trillion, one hundred twenty-one billion, ninety-two million, three hundred forty-seven thousand, seven hundred thirty-eight".